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Method for estimating blasting hazard in complex environment

A complex environment, blasting vibration technology, applied in blasting, earthwork drilling, mining fluids, etc., can solve the problems of mixed practitioners and lack of high level of understanding

Active Publication Date: 2021-05-28
CHINA HYDROPOWER ELEVENTH ENG BUREAU ZHENGZHOU CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In a wide range of construction blasting, practitioners are often good and bad, and do not have a high level of understanding

Method used

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  • Method for estimating blasting hazard in complex environment
  • Method for estimating blasting hazard in complex environment

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Embodiment Construction

[0037] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0038] The present invention provides a method for estimating the hazards of blasting in a complex environment, comprising the following steps: step 1, surveying the buildings in the blasting area, analyzing the types of buildings in the blasting area, and measuring from the blasting point to the blasting area The shortest distance of each building in the area; step 2, calculate the safe distance of flying rocks, compare with the set warning range, and judge the...

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Abstract

The invention discloses a method for estimating blasting hazards in a complex environment. The method comprises the following steps: 1, surveying buildings in a blasting area, analyzing the types of the buildings in the blasting area, and measuring the shortest distance from a blasting point to each building in the blasting area; 2, calculating a flying stone safety distance, comparing the flying stone safety distance with the set warning range, and judging the safety of the set warning range; and 3, calculating and verifying the influence of blasting on each building in the blasting area, wherein the influence specifically comprises the influence of blasting vibration on each building in the blasting area and the influence of blasting shock waves on the buildings in the blasting area. According to the method, the hazard process of the blasting event is analyzed in order, the result conforms to the fact, directivity can be provided for construction production, and unfavorable results are avoided.

Description

technical field [0001] The invention relates to the technical field of engineering blasting in the construction industry, in particular to a method for estimating blasting hazards in complex environments. Background technique [0002] In the types of engineering blasting, chamber blasting is an earlier blasting form. With the improvement of the awareness of natural environment protection, this blasting form is rarely used at present. With the emergence of new rock drilling tools and the improvement of perforation efficiency, the current engineering blasting is mainly based on deep hole blasting. In precision blasting, demolition blasting and oil and gas well perforation blasting are widely used. Due to the particularity of blasting equipment and special policies in this regard, although blasting theory has improved a lot, and many new materials have appeared in equipment, most of them are limited to scientific research departments, universities and important industries. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42D3/00E04G23/08E21B43/116G01N3/313
CPCF42D3/00E04G23/08E21B43/116G01N3/313
Inventor 安有攀姜克栋舒良良
Owner CHINA HYDROPOWER ELEVENTH ENG BUREAU ZHENGZHOU CO LTD
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